Dealer Login:

Click Here to Become a Dealer

RSR Stock #: CS91K
Manufacturer Part #: CS-91K
UPC: 705442005124

View High Resolution Image
View High Resolution Image

Cold Steel, Koga, SD1, Tool, Defense Tool, Black, Polypropylene


WARNING: This product can expose you to chemicals including Nickel/Nickel Compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to


"GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H.  Neither RSR Group, Inc. nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H.  The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components.  For genuine GLOCK, Inc. and GLOCK Ges.m.b.H. products and parts visit

  • High-Impact Polymer
  • Intermediate Impact Tool

Product Description

The Cold Steel Koga SD1 is made of a high-impact polymer, and is designed to function as an aid in leverage when restraining an individual, and obtaining joint locks or submission holds. It also serves as an admirable intermediate impact tool.